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<img src="image-400.jpg"
srcset="image-400.jpg 400w,
image-800.jpg 800w,
image-1200.jpg 1200w"
sizes="(max-width: 600px) 400px,
(max-width: 1000px) 800px,
1200px"
alt="Responsive image example" /><picture>
<source srcset="image.webp" type="image/webp">
<source srcset="image.jpg" type="image/jpeg">
<img src="image.jpg" alt="Fallback image">
</picture>- Page Load Time: Total time to load all page resources
- First Contentful Paint (FCP): Time to first visual content
- Largest Contentful Paint (LCP): Time to load the largest content element
- Cumulative Layout Shift (CLS): Visual stability during loading
- Total Page Size: Combined size of all resources
- Google PageSpeed Insights
- GTmetrix
- WebPageTest
- Chrome DevTools Performance tab
- Lighthouse audits
Image optimization is a crucial aspect of web performance that directly impacts user experience, SEO rankings, and conversion rates. By implementing the techniques outlined in this guide, you can significantly improve your website's loading speed and overall performance.
Remember that image optimization is an ongoing process. Regularly audit your images, test performance across different devices and connections, and stay updated with the latest optimization techniques and formats.
Start optimizing your images today using our free online tools and see the difference in your website's performance!
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